Kostya Kostyushko
CTO at AACI Group
Málaga, Andalusia, Portugal
Summary
👤
Senior🎓
Top SchoolKostya Kostyushko is a seasoned CTO and startup builder with over two decades of hands-on experience and 13 years in senior leadership, known for leading multiple startups to successful exits and scaling high-traffic, production-grade systems. He specializes in NodeJS/NextJS and React for the last decade but brings broad expertise across microservices, AWS, Kubernetes, CI/CD and API-driven architectures. Kostya excels at creating teams and processes from scratch—hiring senior remote engineers, instituting documentation and delivery flows, and aligning technical strategy with business outcomes. His track record includes building cloud-native marketplaces, AI-driven recognition systems, and mission-critical platforms handling millions of items daily. Based in Málaga and operating as a fractional CTO, he blends pragmatic engineering with budget-conscious automation and a talent for turning messy legacy stacks into well-documented, scalable products.
13 years of coding experience
27 years of employment as a software developer
Primary and Secondary school N 114 of KievNetwork and System Administration/Administrator, Network and System Administration/Administrator at College for professional training N 41Not finished - Bachelor's degree Computer Software Engineering, Not finished - Bachelor's degree Computer Software Engineering at Kyiv Polytechnic Institute of Ukraine
English, Spanish, Ukrainian
Stackoverflow
10,025reputation
3.3mreached
93answers
42questions
error-handling
top-5%
javascript
top-5%
mysql
top-1%
magento
top-5%
command-line
top-5%
Github Skills (200)
notion10
device-manager10
api10
nodejs10
mongodb10
amazon10
pino10
docker-compose10
mysql10
realtime10
javascript10
winston10
debugging10
tailwindcss10
npm10
Programming languages (15)
Github contributions (5)
Kostanos/meteor-autoform-daysofweek
Aug 2015 - Oct 2016
Contributions:10 commits, 2 PRs, 10 pushes in 1 year 3 months
days-of-week
Kostanos/pg-restify
Sep 2017 - Aug 2019
Creates a generic REST API for a postgres database using restify.
Contributions:28 PRs, 31 pushes, 7 branches in 1 year 11 months
apipostgres-databaserestifygenericdatabase
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